(III) Two loudspeakers are placed 3.00 m apart, as shown in Fig. 12–37. They emit 474-Hz sounds, in phase. A micro- phone is placed 3.20 m distant from a point midway between the two speakers, where an intensity maximum is recorded. (a) How far must the microphone be moved to the right to find the first intensity minimum? (b) Suppose the speakers are reconnected so that the 474-Hz sounds they emit are exactly out of phase. At what positions are the intensity maximum and minimum now? H3.00 m- 3.20 m dɔ FIGURE 12-37 Problem 54.

(III) Two loudspeakers are placed 3.00 m apart, as shown in Fig. 12–37. They emit 474-Hz sounds, in phase. A micro- phone is placed 3.20 m distant from a point midway between the two speakers, where an intensity maximum is recorded. (a) How far must the microphone be moved to the right to find the first intensity minimum? (b) Suppose the speakers are reconnected so that the 474-Hz sounds they emit are exactly out of phase. At what positions are the intensity maximum and minimum now? H3.00 m- 3.20 m dɔ FIGURE 12-37 Problem 54.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

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(III) Two loudspeakers are placed 3.00 m apart, as shown in
Fig. 12–37. They emit 474-Hz sounds, in phase. A micro-
phone is placed 3.20 m distant from a point midway between
the two speakers, where an intensity maximum is recorded.
(a) How far must the microphone be moved to the right
to find the first intensity
minimum? (b) Suppose the
speakers are reconnected so
that the 474-Hz sounds they
emit are exactly out of
phase. At what positions are
the intensity maximum and
minimum now?
H3.00 m-
3.20 m
dɔ
FIGURE 12-37
Problem 54.

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